dr-chinthika p. gunasekara

RESEARCH & PUBLICATIONS


 

Dr.  Chinthika P. Gunasekara

Dr. Chinthika P. Gunasekara PhD Immunology (Tokyo, Japan), M.Sc. Microbiology (Pune,India), B.Sc. Microbiology (Pune, India)

Senior Lecturer Grade II
Department of Microbiology

Telephone - Office : +94 11 2758645     Mobile : +94 71 8262860
E-mail : tdcpgunasekara@gmail.com

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LIST OF ABSTRACTS


 

2017

 

  1. Dilhari KAA, Pathirage S, Gunasekara TDCP, Fernando SSN, Weerasekera DD,Bulugahapitiya U, Weerasekera MM. Salmonella paratyphi A as an unusual pathogen isolated form an infected diabetic wound. Poster presentation (pp30) at the National Health Research symposium 2017 organised by the Education, Training and research unit, Ministry of health, nutrition and indigenous medicine at BMICH on 4th December 2017.
  2. Peiris MMK, Gunasekara TDCP, Arachchi NDH, Jayaweera PM, Fernando SSN Green synthesis of silver nanoparticles using different bacteria: Do the synthesized nanoparticles differ in their antimicrobial activity? Oral presentation (OP11) Proceedings of the Scientific sessions 2017 by the Faculty of Medical Sciences, University of Sri Jayewardenepura in collaboration with Colombo South Teaching Hospital, Sri Jayewardenepura General Hospital and Base Hospital Homagama at Golden Rose Hotel, Boralasgamuwa held on 24th and 25th May 2017.
  3. Dilhari KAA, Gunasekara TDCP, Fernando SSN, Weerasekera DD, Bulugahapitiya U, Pathirage S, Sissions CH, McBain AJ, Weerasekera MM. Development and validation of a reference marker for identification of aerobic and anaerobic bacteria associated with diabetes chronic wound ulcers using PCR denaturing gradient gel electrophoresis. Oral presentation (OP8) Proceedings of the Scientific sessions 2017 by the Faculty of Medical Sciences, University of Sri Jayewardenepura held on 24th and 25th May 2017
  4. Wijesinghe GK, Dilhari KAA, Buddhika G, Gunasekara TDCP, Fernando SSN, Kottegoda N, Samaranayaka LP, Weerasekera MM Impact of routine laboratory culture media on in-vitro biofilm formation of Pseudomonas aeruginosa, Staphylococcus aureus and Enterococcus faecalis. Oral presentation (OP9) Proceedings of the Scientific sessions 2017 by the Faculty of Medical Sciences, University of Sri Jayewardenepura held on 24th and 25th May 2017
  5. Wijekoon HPSK, Ekanayaka EMAK, Peiris MMK, Arachchi NDH, Palliyaguru L, Kumarasinghe UR, Gunasekara TDCP, Fernando SSN, Jayaweera PM Antimicrobial activity of silver nanoparticles capped with crude extract of Garcinia zeylanica and garcinol Poster presentation PP32 Proceedings of the Scientific sessions 2017 by the Faculty of Medical Sciences, University of Sri Jayewardenepura held on 24th and 25th May 2017.
  6. Senevirathne MAL, Anuradha UK, Peiris MMK, Hewageegana HGSP, Arawwala LADM, Siriwardhene MA, Dabare PLR, Weerasekera MM, Fernando SSN, Gunasekara TDCP Formulation of a Garcinia zeylanica herbal aqueous cream as a potential antiseptic and determination of the antimicrobial activity in vitro Poster presentation (PP33) Proceedings of the Scientific sessions 2017 by the Faculty of Medical Sciences, University of Sri Jayewardenepura held on 24th and 25th May 2017.
  7. Gamage GGTN, Bandara AWMK, Marasinghe MGCP, Weerasekera MM, Fernando SSN, Gunasekara TDCP Optimization of a real time PCR for quantification of Leptospira bacterial loads in patients using SYBR green based real time PCR. Poster presentation (PP34) Proceedings of the Scientific sessions 2017 by the Faculty of Medical Sciences, University of Sri Jayewardenepura held on 24th and 25th May 2017.
  8. Arachchi AMPS, Weerasekera MM, Fernando SSN, Weerasekera D, Senevirathna MBS, Gunasekara TDCP Dietary patterns and behavioural risk factors in Helicobacter pylori infection in a Sri Lankan dyspeptic patient population. Poster presentation (PP37) Proceedings of the Scientific sessions 2017 by the Faculty of Medical Sciences, University of Sri Jayewardenepura held on 24th and 25th May 2017.
  9. Mathanamohan J, Kaleel FF, Hyderaly H, Imthiyaz I, Unais R, Gamage GGTN, Weerasekera MM, Fernando SSN, Liyanage T, Gunasekara TDCP Are farmers award of Leptospirosis? A survey among farming community in Colombo District. Poster presentation (PP12) Proceedings of the Scientific sessions 2017 by the Faculty of Medical Sciences, University of Sri Jayewardenepura held on 24th and 25th May 2017

 

2016

 

  1. Rajapaksha RMPCD, Abeykoon AI, Raguparan V, Madushani LHPM, Katuwavila NP, Jayaweera V, Gunasekara C, Weerasinghe L, Perera IC. Synthesis of novel grapheme oxide-iron nano-composite and comparison of its antimicrobial activity against selected medically important bacteria. Oral Presentation. Proceedings of the 3rd ASEAN Association of Schools of Medical Technology (AASMT) Conference 2016 "ASEAN MT Education in 21st Century" held on 3- 5th November 2016, SD Avenue Hotel, Bangkok, Thailand. A-06
  2. Dilhari KAA, Gunasekara TDCP, Fernando SSN, Weerasekera DD, Bulugahapitiya U, Pathirage S, Sissons CH, McBain AJ, Weerasekera MM. Chronic wounds in Diabetes : Molecular profiling of bacterial community and biofilm architecture. Oral presentation 9. At the proceedings of the 49th Annual academic sessions of the Ceylon College of Physicians held on 22nd - 24th September 2016 at Cinnamon Grand Colombo.
  3. Jayarathna PDTA, Wijesinghe GK, Kottegoda N, Gunasekara TDCP, Fernando SSN, Samaranayake LP, Weerasekera MM. Antibiofilm effect of Ayurvedic preperations : Tripala churna and aqueous extract of Mimusops elengi bark. Proceedings of the 49th Annual academic sessions of the Ceylon College of Physicians held on 22nd to 24th September 2016. (Poster Presentation) PP25
  4. Arachchi MPS, Weerasekera MM, Fernando SSN, Ubayawardana DLNL, Samarasinghe K, Gunasekara TDCP Association of Helicobacter pylori infection and virulence factors with selected Human Leucocyte Antigen DQA1 and DQB1 alleles among dyspeptic patients. Oral presentation at the 7th International Conference on Biotechnology, Bio Informatics, Bio Medical Sciences and Stem Cell Applications organized by the Global Research and Development Services at Nanyang Technological University, Singapore on 11th and 12th November 2016.
  5. Dilrukshi KPR, Willaddara RP, Dilhari KAA, Gunasekara TDCP, Karunathilaka AHTS, Nagahawatta A, Fernando SSN, Weerasekera MM. In vitro evaluation of virulent factors of Candida albicans and its association with selected host factors in oral leukoplakia. Oral presentation at the 5th Annual Conference and Scientific sessions of the Sri Lankan Society for Microbiology (SSM) at Oak Ray Regency Hotel Kandy 21st October 2016.
  6. Raguparan V, Madushani LHPM, Weerasekera MM, Kudavidanage BP, Kalubowila D, Hewageegana HGSP, Fernando SSN, Gunasekara TDCP. Antimicrobial activity of selected herbal and chemical disinfectants against Acinetobacter species causing ventilator associated pneumonia. Poster presentation at the 5th Annual Conference and Scientific sessions of the Sri Lankan Society for Microbiology (SSM) at Oak Ray Regency Hotel Kandy 21st October 2016.
  7. V Raguparan, LHPM Madushani, M.M. Weerasekera, BP Kudavidanage, D Kalubowila, HGSP Hewageegana, S.S.N. Fernando, T.D.C.P. GunasekaraBacterial biofilm inhibition by selected herbal and chemical disinfectants against Pseudomonas aeruginosa, Klebsiella pneumoniae, Staphylococcus aureus, Escherichia coli and Acinetobacter baumannii Proceedings of the ICAUST held on 9th - 10th December 2016 at Institute of Indigenous Medicine, University of Colombo, Rajagiriya
  8. Wijesinghe GK. Jayarathna TA, Gunasekara CP, Fernando N, Kottegoda N, Weerasekera MM. Invitro biofilm formation of Candida species : Impact of different sugars, its concentrations and effect of two ayurvedic preperations. Proceedings of the Global Research and Development services 12th International conference on biotechnology, Bio Informatics, Bio Medical Sciences and Stem cell applications on 9th and 10th December 2016 at Linton University College, Kuala Lumpur, Malaysia
  9. Bandara AWMKK, Weerasekera MM, Fernando SSN, Ranasinghe KNP, Marasinghe MGCP, Gunasekara TDCP. Serum cytokines : a potential biomarker in leptospirosis? Proceedings of the 49th Annual academic sessions of the Ceylon College of Physicians held on 22nd to 24th September 2016. (Poster Presentation) PP 03
  10. Kudavidanage B, Munasinghe C, Ranawake G, Gunasekara TDCP. Acute renal failure :Assessment of risk factors among postoperative patients in a tertiary care hospital in Sri Lanka. (Poster presentation PR385) 16th World Congress of Anaesthesiologists held 28 August - 2 September 2016 at Hong Kong Convention and Exhibition Centre, Hong Kong. Published in September 2016 in Anesthesia & Analgesia volume 123 issue 3s_Suppl-p59
  11. Ubhayawardana DLNL, Weerasekera MM, Gunasekara TDCP, Samarasekera K, Weerasekera DD, Fernando SSN. Helicobacter pylori infection: Correlation to disease severity, Clarithromycin resistance in a Sri Lankan setting. The abstract has been accepted for an oral presentation at the "17th International Congress on Infectious Diseases" Hyderabad, India from March 2 to 5, 2016. Oral presentation
  12. M.K.A. Sampath, M. M. Weerasekera, TDCP. Gunasekera, K.A.A. Dihari, U.Bulugahapitiya, S.S.N. fernando,. Oral candidiasis in patients with type 2 diabetes: comparision of a novel multiplex PCR and chrom agar in identification. "17th International Congress on Infectious Diseases" Hyderabad, India from March 2 to 5, 2016.poster
  13. Senarathna ULNH, Fernando SSN, Gunasekara TDCP, Weerasekera MM, Wickrama WDSA, Perera MKR, Arachchi NDH, Jayaweera PM. TiO2 21 nm nanoparticles as a photocatalytic antimicrobial agent against E. coli, Candida albicans and Methicillin resistant Staphylococcus aureus : a comparison. Annual Academic sessions, Faculty of Medical Sciences, USJP, oral presentation (OP 5) 2016. April 7-8
  14. MMK Peiris, ULNH Senarathna, TDCP Gunasekara, M.M. Weerasekara, NDH Arachchi, PM Jayaweera and SSN Fernando Use of green silver nano-particles as an antimicrobial agent - A preliminary study. 5th Annual Conference & Scientific Sessions Sri Lankan Society For Microbiology (SSM) 21 st Oct. 2016 vol 4
  15. Wijesighe GK, Jayarathna PDTA, Gunasekera TDCP, Kottegoda N, Fernando SSN, Weerasekera MM. Influence of culture medium on in-vitro biofilm formation by Candida species Proceedings of the Annual Scientific sessions 2016, Faculty of Medical Sciences, University of Sri Jayewardenepura in Collaboration with Sri Jayewardenepura General Hospital, oral presentation (OP 2) 2016. April 7-8
  16. Sumaiha MHF, Damayanthi MKS, Weerasekera MM, Fernando SSN, Gunasekera TDCP. "Evaluation of a simple and rapid microscopy technique for detection of leptospira."Proceedings of the Annual Scientific sessions 2016, Faculty of Medical Sciences, University of Sri Jayewardenepura in Collaboration with Sri Jayewardenepura General Hospital, poster presentation 2016. April 7-8.
  17. Dilhari KAA, Gunasekara TDCP, Siriwardhana SJAP, Maheshika LO, Karunathilaka AHTS, Fernando SSN, Weerasekera MM. Candida Infection in Oral Leukoplakia: Site of infection, etiology and effect of smoking, betel chewing and alcohol consumption. Proceedings of the Annual Scientific sessions 2016, Faculty of Medical Sciences, University of Sri Jayewardenepura in Collaboration with Sri Jayewardenepura General Hospital, poster presentation 2016. April 7-8
  18. Karunanayake IU, Premathilake NR, Weerasekera MM, Fernando SSN, Pathiraja R, Gunasekara TDCP. Are we satisfy with what we know about Human Papilloma virus (HPV) and HPV vaccine. Proceedings of the Annual Scientific sessions 2016, Faculty of Medical Sciences, University of Sri Jayewardenepura in Collaboration with Sri Jayewardenepura General Hospital, poster presentation 2016. April 7-8
  19. Premathilake NR, Karunanayake IU, Weerasekera MM, Fernando SSN, Pathiraja R, Gunasekara TDCP Perceptions and practices on Human Papilloma Virus (HPV) infection and HPV vaccine among women attending gynaecology clinic and antenatal clinic at the Colombo South Teaching Hospital. Poster presentation (PP 006) Proceedings of the Sri Lanka Medical Association 129th Anniversary International Medical Congress 2016. 24th to 27th July 2016 (Page 153) Hotel Galadari
  20. Jayarathna PDTA, Wijesighe GK, Weerasekera MM, Gunasekera TDCP, Fernando SSN, Kottegoda N. Effect of natural sugars and an artificial sweetner on Biofilm formation of Candida species. Oral presentation (OPO38) Proceedings of the Sri Lanka Medical Association 129th Anniversary International Medical Congress 2016. 24th to 27th July 2016. (Page 124-125)
  21. Arachchi AMPS, Weerasekera MM, Fernando SSN, Ubayawardana DLNL, Weerasekara D, Samarasinghe K, Senevirathna MBS, Gunasekara TDCP. Association of selected HLA DQA1*0102, HLA-DQA1* 0103 and HLA-DQB1*0301 with the presence of H. pylori infection and disease severity among dyspeptic patients. Poster presentation (PP 059) Proceedings of the Sri Lanka Medical Association 129th Anniversary International Medical Congress 2016. 24th to 27th July 2016 (Page 184-185)
  22. Sampath MAK, Gunasekara C, Fernando N, Bulugahapitiya U, Weerasekera M. Proportion of patients with type 2 diabetes who are at risk of developing oral Candida infection in a Sri Lankan setting: a molecular based identification. Poster presentation (PP06) Proceedings of the Endocrine congress 2016 held by Sri Lanka College of Endocrinologists in collaboration with South Asian Federation of Endocrine societies. 12-14th August 2016. Abstract

 

2015

 

  1. Abeykoon, AI, Weerasekara MM, Fernando SSN, Gunasekara TDCP. HBV and HIV seropositivity, knowledge, attitudes, practices on disease transmission among funeral industry workers in selected districts of Sri Lanka. Proceedings of the International conference on Multidisciplinary Approaches - 2015.11th - 12th September 2015 Page 60 (Poster presentation)
  2. Sampath MKA, Gunasekara TDCP, Kottahachchi J, Dilhari KAA, Bulugahapitiya U, Fernando SSN, Weerasekera MM. Use of a multiplex PCR to identify Candida species in concentrated oral rinse samples of patients with diabetes. Proceedings of the International conference on Multidisciplinary Approaches - 2015.11th - 12th September 2015 Page 33 (Oral presentation)
  3. AWMKK Bandara, MM Weerasekera, TDCP Gunasekera, KNP Ranasinghe, MGCP Marasinghe, N Dikmadugoda, MPK Jayalath, AGunapala, SSN Fernando.Molecular epidemiology of leptospirosis in western and southern provinces in Sri Lanka.Proceedings of the Scientific sessions, Faculty of Medical Sciences, University of Sri jayawardenapura Sri Lanka. Volume 2 Held on 2nd April 2015.
  4. Abeykoon AI, Gunasekara TDCP, Weerasekara MM, Fernando SSN. Knowledge attitudes and practices on infection control among funeral industry workers in selected provinces in Sri Lanka. Proceedings of the Scientific sessions, Faculty of Medical Sciences, University of Sri jayawardenapura Sri Lanka. Volume 2 PP 12. Held on 2nd April 2015.
  5. DTN De Silva, RMSD Edirisinghe, MM Weerasekera, TDCP Gunasekera, SSN Fernando, U Bulugahapitiya. Diabetic patients; their knowledge, practices and attitudes regarding oral health. Proceedings of Annual Scientific Sessions of Faculty of Medical Sciences.Volume 2.Held on 2nd April 2015.
  6. K Ragunathan, NDM Radhika, DPP Gunathilaka, MM Weerasekera, S Hewageegana, SSN Fernando, TDCP Gunasekara. Antimicrobial activities of selected herbs and two herbal decoctions against Methicillin Resistant Staphylococcus aureus (MRSA). Proceedings of Annual Scientific Sessions of Faculty of Medical Sciences.Volume 2.Held on 2nd April 2015.
  7. KAA Dilhari, SJAP Siriwardhana, LO Maheshika, TDCP Gunasekera, AHTS Karunathilaka, SSN Fernando, MM Weerasekera. A Preliminary study on Oral Leukoplakia-Candida Associated Leukoplakia and risk factors.Proceedings of Annual Scientific Sessions of Faculty of Medical Sciences.Volume 2 Held on 2nd April 2015.
  8. DLNL Ubhayawardana, DD Weerasekera, SSN Fernando, AKishokumar, IWMP Wanigasooriya, MM Weerasekera, TDCP Gunasekera, K Samarasinghe. Histological findings in a Helicobacter pylori infected dyspeptic patient population. Proceedings of Annual Scientific Sessions of Faculty of Medical Sciences.Volume 2 Held on 2nd April 2015.
  9. Wijesuriya TM, Kottahachchi J, Gunasekara TDCP, Bulugahapitiya U, Ranasinghe KNP, Fernando SSN, Weerasekera MM. Risk of onychomycosis in diabetic patients in Colombo South Teaching Hospital. Proceedings of the 7th Annual academic sessions of the Endocrine Society of Sri Lanka in Collaboration with the endocrine society of USA. Held on 1 - 4th October 2015 at Hotel Galadari Colombo. PP28
  10. Radhika NDM, Gunathilake DPP, Ragunathan K, Gunasekara TDCP, Weerasekera MM, Fernando SSN, Arawwala LADM, Hewageegana HGSP Antifungal activities of selected plant extracts against Candida albicans and Candida Parapsilosis. Engineering Social Transformation through Research and development. Annual Research Symposium 2015. National center for advanced studies in humanities and Social sciences. Held between 8th -9th June 2015 Oral presentation
  11. Gunasekara TDCP, AWMK Bandara, MM Weerasekara, KNP Ranasinghe, C. Marasinghe, SSN Fernando. Molecular epidemiology, serology and clinical presentations of Leptospirosis in Sri Lanka International conference on advances in healthcare and life sciences (ICAHL) Global Research and Development Services held on 5th and 6th January 2015, Bangkok, Thailand. (Abstract of oral presentation) http://globalresearchbangkok.blogspot.com/2014/09/icahl.html
  12. Weerasekara MM, TM Wijesooriya, TDCP Gunasekara, U Bulugahapitiya, J Kottahachchi, SSN Fernando. Superficial fungal foot infections: Aetiology and risk factors among diabetic patients in Sri Lanka. International conference on advances in healthcare and life sciences (ICAHL) Global Research and Development Services held on 5th and 6th January 2015, Bangkok, Thailand. (Abstract of oral presentation) http://globalresearchbangkok.blogspot.com/2014/09/icahl.html
  13. Fernando SSN, N. Ubayawardene, MM Weerasekara, TDCP Gunasekara, D. Athukorale, D. Weerasekara. Helicobacter pylori, risk factors, and resistance to clarithryomycin among dyspeptic patients in Sri Lanka. International conference on advances in healthcare and life sciences (ICAHL) Global Research and Development Services held on 5th and 6th January 2015, Bangkok, Thailand. (Abstract of oral presentation) http://globalresearchbangkok.blogspot.com/2014/09/icahl.html

 

2014

 

  1. Kottahachchi J, Fernando SSN, Wijesuriya TM, PAthiraja RP, GunasekeraTDCP,Kumarasinghe H, NAgahawatte A, LokuliyanaRM, Bogahawatta A, Weerasekera MM, Proprotion of vulvovaginal candidiasis and antifungal susceptibility pattern of the isolates from patients attending gynaecologyclinic at Colombo South Teaching Hospital (CSTH).Poster presentation at Annual Sessions, Sri Lanka College of Microbiologists 2014, Vol.12:1
  2. DLNL Ubhayawardana, M.M Weerasekera, DD Weerasekera, TDCP Gunasekera, AKishokumar, IWMP Wanigasooriya, ABogahawaththa, K. Samarasinghe, SSN Fernando. Is clarithromycin resistant Helicobacter pylori a problem in Sri Lanka? 127th Anniversary International Medical congress of the Sri Lanka Medical Association. 15th -18th July 2014
  3. Kanchana Bandara, Manjula Weerasekara, Chinthika Gunasekara, Nilantha Ranasinghe, Chamil Marasinghe, Nilanka Perera, Anura Gunapala, Tharanga Liyanarachchi, Priyantha Jayalath, Neluka Fernando. Leptospirosis: Clinical profile and outcome in critical care settings in Sri Lanka. Annual Scientific Sessions of the Faculty of critical care. 21 June 2014.
  4. Kanchana Bandara, Chinthika Gunasekara, Manjula Weerasekara, Nilantha Ranasinghe, Menaka Hapugoda, Chamil Marasinghe, Nilanka Perera, Anura Gunapala, Nandana Dickmadugoda, Priyantha Jayalath, F.G. Siwagnanam, Neluka Fernando. Evaluation of Three Commercial Rapid Immunochromatographic Kits for the Presumptive Identification of Leptospirosis in Sri Lanka.Poster presentation at International Conference on Multidisciplinary Approaches. 13 - 14 August 2014

 

2013

 

  1. AWMKK Bandara, MGCP Marasinghe, MM Weerasekera, TDCP Gunasekara, Pavitra MAT, KNP Ranasinghe, MPK Jayalath, N Dickmadugoda, M Hapugoda, A Gunapala, FG Siwagnanam, SSN Fernando. Expediency of clinical and basic laboratory data to early diagnsosi of leptospirosis: A descriptive preliminary study. Second Annual Conference and Scientific Sessions of SSM-2013 Vol 1:16
  2. AWMKK Bandara, MGCP Marasinghe, MM Weerasekera, TDCP Gunasekara, KNP Ranasinghe, MPK Jayalath, N Dickmadugoda, M Hapugoda, A Gunapala, FG Siwagnanam, SSN Fernando. Diagnosis of Leptospirosis:- A Preliminary Study. Annual Academic Sessions. College of Physician, 13th September 2013
  3. WPSS Perera, RSR Rajakulasooriya, MM Weerasekara, J Kottahachchi, TDCP Gunasekara, LBAE Bogahawatta and SSN Fernando Proportion of superficial fungal infections among the cleaning staff members at the University of Sri Jayawardenepura. General Sir John KotalawalaDefence University, Sri Lanka. Annual International Symposium 2013 on 22nd and 23rd August 2013.
  4. T.M Wijesuriya, M.M. Weerasekera, J.Kottachchi, U. Bulugahapitiya, MSS Disanayaka, S Prathapan, KNP Ranasinghe, TDCP Gunasekera, LD Guruge, A Nagahawatte, SSN Fenando. Lower Limb Fungal Foot Infections in Patients with Type 2 Diabetes at a Tertiary Care Hospital in Sri Lanka.126th Anniversary Scientific Medical Congress of The Sri Lanka Medical Association 12th July 2013
  5. T.M Wijesuriya, M.M. Weerasekera, J.Kottachchi, MSS Disanayaka, S Prathapan, TDCP Gunasekera, A Nagahawatte, LD Guruge, U. Bulugahapitiya, SSN Fenando. Proportion of Fungal Foot Infections in Patients with Type 2 Diabetes at a Tertiary Care Hospital in Sri Lanka.The Bulletin of Sri Lanka College of Microbiologists.Volume 11(1) 2013.
  6. Hewageegna HGSP, Arawwala LADM, Fernando PIPK, Kottahachchi J, Atukorala GIDAD, Weerasekara MM, Gunasekara TDCP, Dissanayake DMBT, Basnayaka P, Dhammarathana I, Ariyawansa HAS, Tissera MHA, Fernando SSN. Standardization and evaluation of antibacterial activity of Vipadikaharagritataila.International conference of Unani, Ayurveda, Siddha and Traditional Medicine on Natural Solution for Health challenges, December 2013.
  7. Hewageegna HGSP, Arawwala LADM, Kottahachchi J, Atukorala GIDAD, Weerasekara MM, Gunasekara TDCP, Dissanayake DMBT, Basnayaka P, Dhammarathana I, Ariyawansa HAS, Tissera MHA, Fernando SSN.BerberisceylanicaSchneider :Quantification of Berberine content and antimicrobial activity. International conference of Unani, Ayurveda, Siddha and Traditional Medicine on Natural Solution for Health challenges, December 2013.
  8. TDCP Gunasekara, P Perera, M Weerasekara, PLR Gomes, SSN Fernando, Neonatal Septicaemia : Analysis of causative organisms and antimicrobial susceptibility in a tertiary care hospital. Sri lanka college of microbiologists, March 2004.

 

 

LIST OF PAPERS / PUBLICATIONS


 

2017

 

  1. ULNH Senarathna, SSN Fernando, TDCP Gunasekara, MM Weerasekera, HGSP Hewageegana, NDH Arachchi, HD Siriwardena and PM Jayaweera. Enhanced antibacterial activity of TiO2 nanoparticle surface modified with Garcinia zeylanica extract. Chemistry Central Journal 2017, 11:7 SCI
  2. Abeykoon AI, Gunasekara CP, Weerasekera MM, Fernando N. Awareness of occupational risks, infection control practices and HIV antibody status among funeral industry workers in Sri Lanka. Sri Lankan Journal of Infectious diseases 2017 : 7(1):28-37
  3. Asanga Sampath, Manjula Weerasekera, Chinthika Gunasekara, Ayomi Dilhari, Uditha Bulugahapitiya, Neluka Fernando. A sensitive and a rapid multiplex polymerase chain reaction for the identification of Candida species in concentrated oral rinse specimens in patients with diabetes Acta Odontologica Scandinavica 2017 75(2):113-122 SCI
  4. Ayomi Dilhari, Asanga Sampath, Chinthika Gunasekara, Neluka Fernando, Deepaka Weerasekara, Chris Sissons, Andrew McBain, Manjula Weerasekera. Evaluation of the impact of six different DNA extraction methods for the representation of the microbial community associated with human chronic wound infections using a gel-based DNA profiling method. AMB Express 2017 7(1):179 SCI
  5. Mudara K Peiris, Chinthika P Gunasekara, Pradeep M Jayaweera, Nuwan DH Arachchi, Neluka Fernando. Biosynthesized silver nanoparticles: are they effective antimicrobials? Memórias do Instituto Oswaldo Cruz 2017 112(8) : 537-543 SCI
  6. Asanga Sampath, Manjula Weerasekera, Ayomi Dilhari, Chinthika Gunasekara, Uditha Bulugahapitiya, Neluka Fernando, Lakshman Samaranayake Comparison of duplex PCR and phenotypic analysis in differentiating Candida dubliniensis from Candida albicans from oral samples. AMB Express 7(1):141 SCI
  7. C. P. Gunasekara , M. H. F. Sumaiha, M. K. S. Damayanthi, M. M. Weerasekera, S. S. N. Fernando. Utility of a modified silver staining technique for detection of Leptospira. Sri Lankan Journal of Infectious diseases. 7(2) 85-91
  8. Gunasekara TDCP, Radhika N, Ragunathan K, Gunathilaka D,Weerasekera M, Hewageegana H, et al. Determinationof antimicrobial potential of fi ve herbs used in ayurveda practices against Candida albicans, Candida parapsilosis and methicillin resistant Staphylococcus aureus. Ancient Sci Life 2017 36(4):187-190 ESCI

 

2016

 

  1. Asanga Sampath, Manjula Weerasekera, Chinthika Gunasekara, Ayomi Dilhari, Uditha Bulugahapitiya & Neluka Fernando (2016): A sensitive and a rapid multiplex polymerase chain reaction for the identification of Candida species in concentrated oral rinse specimens in patients with diabetes, Acta Odontologica Scandinavica Dec 2016 http://dx.doi.org/10.1080/00016357.2016.1265146 SCI
  2. Piyumali Sandareka Arachchi, Chinthika Prabhashinie Gunasekara, Manjula Manoji Weerasekerak, Nushka Lahiri Ubhayawarana, Deepaka Weerasekera, Kamani Samarasinghe, Bimalka Senevirathne, Neluka Fernando. Association between selected Human Leukocyte Antigen alleles and Helicobacter pylori infection among dyspeptic patients. International Journal of Enteric Pathogens 2016, 4(4):e37102
  3. Manjula M Weerasekera, Gayan K Wijesinghe, Thilini A Jayarathna, Chinthika P Gunasekara, Neluka Fernando, Lakshman P Samaranayake. Culture media profoundly affect Candida albicans and Candida tropicalis growth, adhesion and biofilm development. Mem. Inst. Oswaldo Cruz, Rio de Janeiro : 1-6, 2016 SCI
  4. Kanchana Bandara, Manjula Manoji Weerasekera, Chinthika Gunasekara, Nilantha Ranasinghe, Chamil Marasinghe and Neluka Fernando. Utility of modified Faine's criteria in diagnosis of leptospirosis.BMC Infectious diseases.2016 :16:446 SCI
  5. Kanchana Kumari Bandara, Chinthika Prabhashinie Gunasekara, Manjula Manoji Weerasekera, Nilantha Ranasinghe, Menaka Hapugoda, Chamil Marasinghe and Neluka Fernando. Comparison of three rapid diagnostic assays for diagnosis of leptospirosis in a resource poor setting World Journal of Pharmaceutical research, (2016) 5(7) 1771-1780
  6. Weerasekera MM, Gunasekara TDCP, Fernando N, Kottachchi J, Wijesuriya TM, Bogahawatta A, Pathiraja R. Vulvovaginal Candidiasis in Patients presenting with Vaginal Discharge in a Sri Lankan Setting. J South Asian Feder Obst Gynae 2016;8(2):1-4
  7. Ayomi Dilhari, Manjula M. Weerasekera, Anusha Siriwardhana, Oshanthi Maheshika, Chinthika Gunasekara, Sunil kulathilaka, Ajith Nagahawatte, Neluka Fernando, Candida infection in oral leukoplakia; an unperceived public health problem: Acta Odontologica Scandinavica. (2016)19:1-5 SCI
  8. Thisuri De Silva, Manjula Weerasekera*,Dhammika Edirisinghe, Chinthika Gunasekara, Asanga Sampath, Uditha Bulugahapitiya and Neluka Fernando. Patients with diabetes: their perception and practices towards oral health. World Journal of Pharmaceutical research, (2016) 5 (3):149-158

 

2015

 

  1. Nushka L Ubhayawardana, Manjula M Weerasekera, Deepaka D Weerasekera, KamaniSamarasinghe, Chinthika P Gunasekera, Neluka Fernando. Detection of Clarithromycin Resistant Helicobacter pylori Strains in a Dyspeptic Patient Population in Sri Lanka by PCR-RFLP. Indian Journal of Medical Microbiology, (2015) 33(3): 374-377 DOI : 10.4103/0255-0857.158557 SCI
  2. KanchanaKumariBandara, ManjulaWeerasekera , Chinthika P Gunasekara, NilanthaRanasinghe, ChamilMarasinghe, Neluka Fernando. Molecular characterisation and disease severity of leptospirosis in Sri Lanka, MEM INST Oswaldo Cruz, Rio De Janeiro, 110(4) June 2015 : 485-491 DOI 10.1590/0074-02760150070 SCI
  3. N.L. Ubhayawardana, MM Weeraseakara. DD Weerasekera, TDCP Gunasekara, SSN Fernando. Proportion of Helicobacter pylori among dyspeptic patients detected by molecular methods in a teaching hospital in Sri Lanka.International Journal of Enteric pathogens. 2015 3(4): e29796 DOI: 10.17795/ijep29796
  4. T. M. Wijesuriya, J. Kottahachchi, T. D. C. P. Gunasekara, U. Bulugahapitiya, K. N. P. Ranasinghe,S. S. Neluka Fernando, M. M. Weerasekara . Aspergillus species: An emerging pathogen in onychomycosis among diabetics.Indian Journal of Endocrinology and Metabolism 2015 Vol 9 (6): 811-816 DOI : 10.4103/2230-8210.126556

 

2014

 

  1. T.M Wijesuriya, M,M. Weerasekera, J.Kottachchi, U. Bulugahapitiya, MSS Disanayaka, S Prathapan, KNP Ranasinghe, TDCP Gunasekera, LD Guruge, A Nagahawatte, SSN Fenando. Proportion of Lower Limb Fungal Foot Infections in Patients with Type 2 Diabetes at a Tertiary Care Hospital in Sri Lanka.Indian Journal of Endocrinology and Metabolism 2014 Vol 18 (1): P 63-69
  2. WPSSS Perera, RSR Rajakulasooriya, M.M Weerasekera, J Kottahachchi, TDCP Gunasekera , LBAE Bogahawatta , SSN Fernando. Proportion of superficial fungal infections among members of the cleaning staff at the University of Sri Jayewardenepura.Sri Lanka Journal of Infectious Diseases. 2014 Vol.4(1):38-47

 

2013

 

  1. PLR Gomes, S Hewageegana, J Kottahachchi, GIDDAD Athukorala, MM Weerasekera, TDCP Gunasekera, DMBT Dissanayake, DFD Meedin, SSN Fernando. In vitro study to determine antimicrobial activity of selected Ayurvedic preparations against bacteria and fungi causing superficial skin infections. Sri LankaJournal of Infectious Diseases. February 2013 1:32-39
  2. MHJD Ariyaratne, TDCP Gunasekara, MM Weerasekara, J Kottahachchi, BP Kudavidanage, SSN Fernando. Knowledge, attitudes and practices of hand hygiene among final year medical and nursing students at the University of Sri Jayewardenepura.Sri Lankan Journal of Infectious Diseases 2013 Vol.3(1);15-25

 

2012

 

  1. T.D.C.P. Gunasekara, V.G.N.S. Velathnthiri, M.M. Weerasekara, S.S.N. Fernando, M.K. Peelawattage, D. Guruge ."Knowledge, attitudes and practices of Dengue fever among a suburban population in Sri Lanka" Galle Medical journal (2012).

 

2009

 

  1. B.P.Kudavidanage, T.D.C.P. Gunasekera, S.S.N. Fernando, D.F.D. Meedin, A. Abayadeera. Comparison of three skin disinfectant solutions used for skin preparation prior to spinal and epidural anaesthetic procedures in parturients at De Soyza Maternity Hospital and Castle street Hospital for women. Sri Lankan Journal of Anaesthesiology 17(1):5 - 10 2009
  2. T.D.C.P. Gunasekera, B.P. Kudavidanage, M.K. Peelawattage, F. Meedin, L.D. Guruge, G. Nanayakkara, M. Nanayakkara, S.S.N. Fernando.Bacterial contamination of anaesthetists hands, personal mobile phones and wrist watches used during theatre sessions. Sri Lanka Journal of Anaesthesiology. 17(1) : 11 - 15 2009.

 

 

RESEARCH GRANTS


 

Completed

 

  • Serology and molecular markers for leptospirosis in Sri lanka. World Class University project. PhD/01/2012 - 3 years Amount : Rs. 1,758, 100.00 (Principle Investigator) - 2013 - 2016 Grant completed
  • Association of serum cytokine levels with disease severity in paients with leptospirosis - Grant received from Universiy of Sri Jayewardnepura- ASP/06/RE/MED/2013/35 Amount : Rs. 250,000.00 (Principle Investigator) - 2014 - 2015. Grant completed

 

 

Ongoing

 

2014

 

  • Role of oral yeasts, phenotypic and genotypic diversity and antifungal susceptibility in patients with diabetes. - University of Sri Jayawardenepura ASP/06/RE/MED/2014/08 2 yearsRs. 800,000.00 (Co Investigator) from 2014 to 2016
  • Analysis of oral candida genotypes in diabetic patients and its antifungal susceptibility. health ministry grant. 33/2-13. 2 years - Rs.331,000.00 (Co Investigator) - 2014-2015

 

2015

 

  • Molecular markers for disease severity of leptospirosis in Sri Lanka. University research grant. ASP/01/RE/MED/2015/37 from 2016 - 2018 (Principle investigator)

 

2016

 

  • Diagnostic utility of selected novel biomarkers of acute kidney injury, among patients with leptospirosis ASP/01/RE/MED/2016/47 2 years (Principle investigator)
  • Use of novel biomarkers for early detection of gastric cancer. Cancer Research Grant 2016 2 years Rs 675,000.00

 

2017

 

  • Determination of cytotoxicity of green silver nanoparticles produced by Pseudomonas aeruginosa : a potent antimicrobial. University Research grant ASP/RE/MED/2017/30 2 years Rs 746,500.00 (Principle investigator)
  • Diagnosis of upper gastrointestinal diseases using gastropanel in a dyspeptic patient population. University Research Grant ASP/RE/MED/2017/28 2 years. Rs 300,000.00

 

 

AWARDS


 

  • Recipient of Presidents award for scientific publication for the year 2015
  • Price for Third place in Oral Presentations at the Scientific Sessions 2017, Faculty of Medical Sciences, University of Sri Jayewardenepura 25th May 2017
  • Research award 2015 - University of Sri Jayewardenepura - In recognition of contribution of full articles published in an Index refereed journal - 29th September 2016
  • Research award 2014 - University of Sri Jayewardenepura - In recognition of contribution of full articles published in an Index refereed journal - 18th November 2015
  • Runner up- Poster presentation -Scientific sessions 2016, Faculty of Medical Sciences, University of Sri Jayawardenepura in Collaboration with Sri Jayewardenepura General Hospital. "Evaluation of a simple and rapid microscopy technique for detection of leptospira." Sumaiha MHF, Damayanthi MKS, Weerasekera MM, Fernando SSN, Gunasekera TDCP
  • Best poster presentation - Scientific sessions 2015, Faculty of Medical Sciences, University of Sri Jayawardenepura. "Knowledge attitudes and practices on infection control among funeral industry workers in selected provinces in Sri Lanka." Abeykoon AI, Gunasekara TDCP, Weerasekara MM, Fernando SSN.
  • The Sri Lanka College of Microbiologists 22nd Annual academic sessions 2013. Third Prize in oral presentation for the paper titled "Proportion of fungal foot infections in patients with type 2 diabetes at a tertiary care hospital. "Wijesuriya TM, Weerasekara MM, Kottahachchi J, Dissanayake MSS, Prathapan S, Gunasekara TDCP, Nagahawatte A, Guruge LD, Bulugahapitiya U, Fernando SSN.
  • L M V Attayagalle award forthe best paper. "Comparison of three skin disinfectant solutions used for skin preparation prior to spinal and epidural anaesthetic procedures in parturients at De soyza maternity hospital and castle street hospital for women." B.P.Kudavidanage, T.D.C.P.Gunasekara, S.S.N.Fernando, D.F.d.Meedin, Abayadeera at the 23rd Annual scientific sessions of the college of anaesthesiologists of Sri Lanka

 

 

AREAS OF RESEARCH INTEREST


 

Pathogenesis and immune response to infectious diseases including Leptospira and H. pylori infections, Antimicrobial activity of medicinal plants